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<h2 id="下面进入正题"><a href="#下面进入正题" class="headerlink" title="下面进入正题:"></a>下面进入正题:</h2><p>首先，目录结构不用变动，我们只是修改Main.py的一些功能函数。</p>
<p>下面是需要导入的包：</p>
<figure class="highlight routeros"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">from</span> WechatPCAPI import WechatPCAPI</span><br><span class="line">import time</span><br><span class="line">import logging</span><br><span class="line"><span class="keyword">from</span><span class="built_in"> queue </span>import Queue</span><br><span class="line">import threading</span><br></pre></td></tr></table></figure>
<p>导入的包较上次也是没有变动的。</p>
<p>同上篇一样，需要定义三个队列用来处理接收到的信息：</p>
<figure class="highlight ini"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br></pre></td><td class="code"><pre><span class="line"><span class="attr">queue_recved_message</span> = Queue()<span class="comment">#用来处理所有消息</span></span><br><span class="line"><span class="attr">queue_groups</span>=Queue() <span class="comment">#用来处理群ID消息</span></span><br><span class="line"><span class="attr">queue_Members</span>=Queue()<span class="comment">#用来处理群成员信息</span></span><br></pre></td></tr></table></figure>
<p>群成员这个数据结构有了些许变化，群成员现在只有群ID，昵称这两个属性了：</p>
<figure class="highlight ruby"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br></pre></td><td class="code"><pre><span class="line"><span class="class"><span class="keyword">class</span> <span class="title">Person</span>:</span></span><br><span class="line">    <span class="function"><span class="keyword">def</span> <span class="title">__init__</span><span class="params">(<span class="keyword">self</span>)</span></span><span class="symbol">:</span></span><br><span class="line">        <span class="keyword">self</span>.chatroom_id = <span class="string">""</span></span><br><span class="line">        <span class="keyword">self</span>.nick_name = <span class="string">""</span></span><br></pre></td></tr></table></figure>
<p>接下来定义处理消息队列的函数，首先还是要获取指定关键词的群列表。由于群成员新进群或者被移除群聊时，wx都会产生一条消息，这条消息的类型是‘msg::chatroom’ ，数据类型是‘10000’，具体的消息内容就是‘xxx通过xx方式加入了群聊’或者‘xxx被移除了群聊’，所以要响应新成员进群，我们只需要判断‘msg::chatroom’的chatroom_id，以及消息内容便可。</p>
<figure class="highlight routeros"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br></pre></td><td class="code"><pre><span class="line">def thead_handle_mess(wx_inst):</span><br><span class="line">    with open(<span class="string">'config.json'</span>, <span class="string">'r'</span>)as f:</span><br><span class="line">        j = json.loads(f.read())</span><br><span class="line">    <span class="attribute">chatroom</span>=j[<span class="string">'chatroom'</span>]</span><br><span class="line">    <span class="keyword">while</span> <span class="literal">True</span>:</span><br><span class="line">        <span class="keyword">if</span> <span class="keyword">not</span> queue_recved_message.empty():</span><br><span class="line">            message = queue_recved_message.<span class="builtin-name">get</span>()</span><br><span class="line">            <span class="keyword">if</span> <span class="string">'friend::chatroom'</span> <span class="keyword">in</span> message.<span class="builtin-name">get</span>(<span class="string">'type'</span>):</span><br><span class="line">                <span class="keyword">if</span> chatroom <span class="keyword">in</span> message.<span class="builtin-name">get</span>(<span class="string">'data'</span>, &#123;&#125;).<span class="builtin-name">get</span>(<span class="string">'chatroom_name'</span>, <span class="string">""</span>):</span><br><span class="line">                    queue_groups.put(message.<span class="builtin-name">get</span>(</span><br><span class="line">                    <span class="string">'data'</span>, &#123;&#125;).<span class="builtin-name">get</span>(<span class="string">'chatroom_id'</span>, <span class="string">""</span>))</span><br><span class="line">            elif <span class="string">'msg::chatroom'</span> <span class="keyword">in</span> message.<span class="builtin-name">get</span>(<span class="string">'type'</span>):</span><br><span class="line">                <span class="keyword">if</span> <span class="string">'data_type'</span> <span class="keyword">in</span> message.<span class="builtin-name">get</span>(<span class="string">'data'</span>).keys():</span><br><span class="line">                    <span class="keyword">if</span> message.<span class="builtin-name">get</span>(<span class="string">'data'</span>).<span class="builtin-name">get</span>(<span class="string">'data_type'</span>) == <span class="string">'10000'</span> <span class="keyword">and</span> <span class="string">"加入"</span> <span class="keyword">in</span> message.<span class="builtin-name">get</span>(<span class="string">'data'</span>).<span class="builtin-name">get</span>(<span class="string">'msg'</span>):</span><br><span class="line">                        Per = Person()  # 生成新的对象</span><br><span class="line">                        Per.chatroom_id =message.<span class="builtin-name">get</span>(<span class="string">'data'</span>).<span class="builtin-name">get</span>(<span class="string">'from_chatroom_wxid'</span>)</span><br><span class="line">                        Per.nick_name = message.<span class="builtin-name">get</span>(<span class="string">'data'</span>).<span class="builtin-name">get</span>(<span class="string">'msg'</span>).split(<span class="string">"\""</span>)[1]</span><br><span class="line">                        queue_Members.put(Per)</span><br></pre></td></tr></table></figure>
<p>接下来定义获取群列表的函数：</p>
<figure class="highlight vim"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br></pre></td><td class="code"><pre><span class="line">def get_group_list():</span><br><span class="line">    Group_list = []</span><br><span class="line">    <span class="keyword">while</span> queue_groups.<span class="built_in">empty</span>():</span><br><span class="line">        time.<span class="keyword">sleep</span>(<span class="number">1</span>)</span><br><span class="line">    <span class="keyword">while</span> not queue_groups.<span class="built_in">empty</span>():</span><br><span class="line">        Group_list.<span class="keyword">append</span>(queue_groups.<span class="built_in">get</span>())</span><br><span class="line">    <span class="keyword">return</span> Group_list</span><br></pre></td></tr></table></figure>
<p>然后就是欢迎群成员的函数：</p>
<figure class="highlight reasonml"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br></pre></td><td class="code"><pre><span class="line">def thread<span class="constructor">_handle_member_welcome(<span class="params">wx_inst</span>, <span class="params">group_list</span>)</span>:</span><br><span class="line">    groups = group_list</span><br><span class="line">    <span class="keyword">with</span> <span class="keyword">open</span>('config.json', <span class="character">'r'</span>)<span class="keyword">as</span> f:</span><br><span class="line">        j = json.loads(f.read<span class="literal">()</span>)</span><br><span class="line">    mess=j<span class="literal">['<span class="identifier">mess</span>']</span></span><br><span class="line">    <span class="keyword">while</span> True:</span><br><span class="line">        <span class="keyword">if</span> not queue_Members.empty<span class="literal">()</span>:</span><br><span class="line">            Person = queue_Members.get<span class="literal">()</span></span><br><span class="line">            <span class="keyword">if</span> <span class="module-access"><span class="module"><span class="identifier">Person</span>.</span></span>chatroom_id <span class="keyword">in</span> groups:</span><br><span class="line">                M=str(<span class="module-access"><span class="module"><span class="identifier">Person</span>.</span></span>nick_name)+<span class="string">","</span>+mess</span><br><span class="line">                wx_inst.send<span class="constructor">_text(<span class="params">to_user</span>=Person.<span class="params">chatroom_id</span>,<span class="params">msg</span>=M)</span></span><br><span class="line">                print(<span class="string">"say welcome to &#123;&#125;"</span>.format(<span class="module-access"><span class="module"><span class="identifier">Person</span>.</span></span>nick_name))</span><br><span class="line">            time.sleep(<span class="number">2</span>)</span><br></pre></td></tr></table></figure>
<p>这里面有个问题，群成员的nickname是自己这一端显示的成员nickname。例如：有个成员叫member，你给他的备注是猪，那么欢迎语中的nickname就是猪，这点使用时需要注意下。</p>
<p>这样这个小程序的所有组件就写完了，接下来的工作是将它们组合起来：</p>
<figure class="highlight reasonml"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br></pre></td><td class="code"><pre><span class="line">def main<span class="literal">()</span>:</span><br><span class="line">    print(<span class="string">"初始化中...请稍候！"</span>)</span><br><span class="line">    wx_inst = <span class="constructor">WechatPCAPI(<span class="params">on_message</span>=<span class="params">onmessage</span>)</span></span><br><span class="line">    wx_inst.start<span class="constructor">_wechat(<span class="params">block</span>=True)</span></span><br><span class="line">    <span class="keyword">while</span> not wx_inst.get<span class="constructor">_myself()</span>:</span><br><span class="line">        time.sleep(<span class="number">3</span>)</span><br><span class="line">    threading.<span class="constructor">Thread(<span class="params">target</span>=<span class="params">thead_handle_mess</span>, <span class="params">args</span>=(<span class="params">wx_inst</span>,)</span>).start<span class="literal">()</span></span><br><span class="line">    wx_inst.update<span class="constructor">_frinds()</span></span><br><span class="line">    Group_list = get<span class="constructor">_group_list()</span></span><br><span class="line">    print(<span class="string">"运行中...."</span>)</span><br><span class="line">    threading.<span class="constructor">Thread(<span class="params">target</span>=<span class="params">thread_handle_member_welcome</span>,<span class="params">args</span>=(<span class="params">wx_inst</span>, Group_list,)</span>).start<span class="literal">()</span></span><br></pre></td></tr></table></figure>
<p>设置下日志记录功能，方便日后排错。</p>
<figure class="highlight pgsql"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><span class="line">file_name = str(<span class="type">time</span>.strftime("%Y-%m-%d", <span class="type">time</span>.<span class="built_in">localtime</span>()))+".log"</span><br><span class="line">logging.basicConfig(filename=file_name,<span class="keyword">level</span>=logging.<span class="keyword">INFO</span>)</span><br></pre></td></tr></table></figure>
<p>完整的代码：</p>
<figure class="highlight routeros"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br><span class="line">54</span><br><span class="line">55</span><br><span class="line">56</span><br><span class="line">57</span><br><span class="line">58</span><br><span class="line">59</span><br><span class="line">60</span><br><span class="line">61</span><br><span class="line">62</span><br><span class="line">63</span><br><span class="line">64</span><br><span class="line">65</span><br><span class="line">66</span><br><span class="line">67</span><br><span class="line">68</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment"># coding: utf-8</span></span><br><span class="line"><span class="keyword">from</span> WechatPCAPI import WechatPCAPI</span><br><span class="line">import time</span><br><span class="line">import logging</span><br><span class="line"><span class="keyword">from</span><span class="built_in"> queue </span>import Queue</span><br><span class="line">import threading</span><br><span class="line">file_name = str(time.strftime(<span class="string">"%Y-%m-%d"</span>, time.localtime()))+<span class="string">".log"</span></span><br><span class="line">logging.basicConfig(<span class="attribute">filename</span>=file_name, <span class="attribute">level</span>=logging.INFO)</span><br><span class="line">queue_recved_message = Queue()  # 用来处理所有消息</span><br><span class="line">queue_groups = Queue()  # 用来处理群ID消息</span><br><span class="line">queue_Members = Queue()  # 用来处理群成员信息</span><br><span class="line">class Person:</span><br><span class="line">    def __init__(self):</span><br><span class="line">        self.chatroom_id = <span class="string">""</span></span><br><span class="line">        self.nick_name = <span class="string">""</span></span><br><span class="line">def onmessage(message):</span><br><span class="line">    queue_recved_message.put(message)</span><br><span class="line">def thead_handle_mess(wx_inst):</span><br><span class="line">    with open(<span class="string">'config.json'</span>, <span class="string">'r'</span>)as f:</span><br><span class="line">        j = json.loads(f.read())</span><br><span class="line">    <span class="attribute">chatroom</span>=j[<span class="string">'chatroom'</span>]</span><br><span class="line">    <span class="keyword">while</span> <span class="literal">True</span>:</span><br><span class="line">        <span class="keyword">if</span> <span class="keyword">not</span> queue_recved_message.empty():</span><br><span class="line">            message = queue_recved_message.<span class="builtin-name">get</span>()</span><br><span class="line">            <span class="keyword">if</span> <span class="string">'friend::chatroom'</span> <span class="keyword">in</span> message.<span class="builtin-name">get</span>(<span class="string">'type'</span>):</span><br><span class="line">                <span class="keyword">if</span> chatroom <span class="keyword">in</span> message.<span class="builtin-name">get</span>(<span class="string">'data'</span>, &#123;&#125;).<span class="builtin-name">get</span>(<span class="string">'chatroom_name'</span>, <span class="string">""</span>):</span><br><span class="line">                    queue_groups.put(message.<span class="builtin-name">get</span>(</span><br><span class="line">                    <span class="string">'data'</span>, &#123;&#125;).<span class="builtin-name">get</span>(<span class="string">'chatroom_id'</span>, <span class="string">""</span>))</span><br><span class="line">            elif <span class="string">'msg::chatroom'</span> <span class="keyword">in</span> message.<span class="builtin-name">get</span>(<span class="string">'type'</span>):</span><br><span class="line">                <span class="keyword">if</span> <span class="string">'data_type'</span> <span class="keyword">in</span> message.<span class="builtin-name">get</span>(<span class="string">'data'</span>).keys():</span><br><span class="line">                    <span class="keyword">if</span> message.<span class="builtin-name">get</span>(<span class="string">'data'</span>).<span class="builtin-name">get</span>(<span class="string">'data_type'</span>) == <span class="string">'10000'</span> <span class="keyword">and</span> <span class="string">"加入"</span> <span class="keyword">in</span> message.<span class="builtin-name">get</span>(<span class="string">'data'</span>).<span class="builtin-name">get</span>(<span class="string">'msg'</span>):</span><br><span class="line">                        Per = Person()  # 生成新的对象</span><br><span class="line">                        Per.chatroom_id =message.<span class="builtin-name">get</span>(<span class="string">'data'</span>).<span class="builtin-name">get</span>(<span class="string">'from_chatroom_wxid'</span>)</span><br><span class="line">                        Per.nick_name = message.<span class="builtin-name">get</span>(<span class="string">'data'</span>).<span class="builtin-name">get</span>(<span class="string">'msg'</span>).split(<span class="string">"\""</span>)[1]</span><br><span class="line">                        queue_Members.put(Per)</span><br><span class="line">def get_group_list():</span><br><span class="line">    Group_list = []</span><br><span class="line">    <span class="keyword">while</span> queue_groups.empty():</span><br><span class="line">        time.sleep(1)</span><br><span class="line">    <span class="keyword">while</span> <span class="keyword">not</span> queue_groups.empty():</span><br><span class="line">        Group_list.append(queue_groups.<span class="builtin-name">get</span>())</span><br><span class="line">    return Group_list</span><br><span class="line">def thread_handle_member_welcome(wx_inst, group_list):</span><br><span class="line">    groups = group_list</span><br><span class="line">    with open(<span class="string">'config.json'</span>, <span class="string">'r'</span>)as f:</span><br><span class="line">        j = json.loads(f.read())</span><br><span class="line">    <span class="attribute">mess</span>=j[<span class="string">'mess'</span>]</span><br><span class="line">    <span class="keyword">while</span> <span class="literal">True</span>:</span><br><span class="line">        <span class="keyword">if</span> <span class="keyword">not</span> queue_Members.empty():</span><br><span class="line">            Person = queue_Members.<span class="builtin-name">get</span>()</span><br><span class="line">            <span class="keyword">if</span> Person.chatroom_id <span class="keyword">in</span> groups:</span><br><span class="line">                <span class="attribute">M</span>=str(Person.nick_name)+","+mess</span><br><span class="line">                wx_inst.send_text(<span class="attribute">to_user</span>=Person.chatroom_id,msg=M)</span><br><span class="line">                <span class="builtin-name">print</span>(<span class="string">"say welcome to &#123;&#125;"</span>.format(Person.nick_name))</span><br><span class="line">            time.sleep(2)</span><br><span class="line">def main():</span><br><span class="line">    <span class="builtin-name">print</span>(<span class="string">"初始化中...请稍候！"</span>)</span><br><span class="line">    wx_inst = WechatPCAPI(<span class="attribute">on_message</span>=onmessage)</span><br><span class="line">    wx_inst.start_wechat(<span class="attribute">block</span>=<span class="literal">True</span>)</span><br><span class="line">    <span class="keyword">while</span> <span class="keyword">not</span> wx_inst.get_myself():</span><br><span class="line">        time.sleep(3)</span><br><span class="line">    threading.Thread(<span class="attribute">target</span>=thead_handle_mess, args=(wx_inst,)).start()</span><br><span class="line">    wx_inst.update_frinds()</span><br><span class="line">    Group_list = get_group_list()</span><br><span class="line">    <span class="builtin-name">print</span>(<span class="string">"运行中...."</span>)</span><br><span class="line">    threading.Thread(<span class="attribute">target</span>=thread_handle_member_welcome,args=(wx_inst, Group_list,)).start()</span><br><span class="line"><span class="keyword">if</span> __name__ == <span class="string">"__main__"</span>:</span><br><span class="line">    main()</span><br></pre></td></tr></table></figure>
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